STARLINK-2517, 48309
Orbit data source: Space-Track
STARLINK-2517, 48309 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 29 Apr 2021 UTC via an FALCON 9 launch vehicle from the Air Force Eastern Test Range (AFETR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
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48309 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK, Unknown motor
Mass
260 kg wet, ~248 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan, 10.1 m
Radar Cross Section
13.562 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 14 hours ago
TLE from 14 hours ago
0 STARLINK-2517
1 48309U 21036AK 26142.61597192 .00002278 00000-0 89000-4 0 9991
2 48309 53.1610 104.7658 0001326 94.3344 265.7808 15.30206943279548Epoch: 2026-05-22T14:46Z
TLE epoch observation values (Epoch: 2026-05-22T14:46:59.973Z)
Latitude
-0.00007°
Longitude
2.77159°
Altitude
476.161 km
Speed
7.629 km/s
True Right ascension
06h 59m 03s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
13:33:38
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.359 km
Perigee altitude
474.542 km
Semi-major axis
6,853.588 km
Eccentricity
0.00013
Inclination
53.161°
RAAN
104.7658°
Arg. of periapsis
94.3344°
True anomaly
265.76565°
Mean anomaly
265.7808°
Eccentric anomaly
265.77322°
Mean motion
3.82531 °/min
Orbital period
94.11 mins
BSTAR
0.000089
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Other satellites on launch #36 in the year 2021 (2021-04-29 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.STARLINK-2517 Visibility forecast
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Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-05-23 05:19:53.113Z | 344.28° N | 2026-05-23 05:21:53.113Z | 20.77° NNE | 16.231° | 2026-05-23 05:23:53.113Z | 57.104° ENE |
| 6 mins | 2026-05-23 06:57:53.113Z | 314.966° NW | 2026-05-23 06:59:53.113Z | 342.201° N | 42.33° | 2026-05-23 07:03:53.113Z | 125.576° SE |
| 5 mins | 2026-05-23 23:53:53.113Z | 221.485° SW | 2026-05-23 23:55:53.113Z | 102.011° ESE | 44.143° | 2026-05-23 23:58:53.113Z | 52.756° ENE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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